/* * Copyright © 2010 Keith Packard * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ package altosui; import java.text.*; import java.lang.*; public class AltosParse { static boolean isdigit(char c) { return '0' <= c && c <= '9'; } static int parse_int(String v) throws ParseException { try { return Altos.fromdec(v); } catch (NumberFormatException e) { throw new ParseException("error parsing int " + v, 0); } } static int parse_hex(String v) throws ParseException { try { return Altos.fromhex(v); } catch (NumberFormatException e) { throw new ParseException("error parsing hex " + v, 0); } } static double parse_double(String v) throws ParseException { try { return Double.parseDouble(v); } catch (NumberFormatException e) { throw new ParseException("error parsing double " + v, 0); } } static double parse_coord(String coord) throws ParseException { String[] dsf = coord.split("\\D+"); if (dsf.length != 3) { throw new ParseException("error parsing coord " + coord, 0); } int deg = parse_int(dsf[0]); int min = parse_int(dsf[1]); int frac = parse_int(dsf[2]); double r = deg + (min + frac / 10000.0) / 60.0; if (coord.endsWith("S") || coord.endsWith("W")) r = -r; return r; } static String strip_suffix(String v, String suffix) { if (v.endsWith(suffix)) return v.substring(0, v.length() - suffix.length()); return v; } static void word(String v, String m) throws ParseException { if (!v.equals(m)) { throw new ParseException("error matching '" + v + "' '" + m + "'", 0); } } }